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Question: 52 consider the opamp circuit shown below you can assume...

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5.2. Consider the op-amp circuit shown below. You can assume the op-amp is ideal and has an infinite gain. (a) Why is the current is zero? C (b) What can you say about the value of the inverting input voltage v, and why? V、- (c) Using Kirchoffs Current Law (KCL), write an equation for the output voltage vo in terms of only the input voltage v4 and the values of the resistances. \さ、 :A (d) Given R 10k2, find the value of R, to give a gain of -55. (e) IfR1-27kΩ and R2-82k , find the value of gain. (f) (g) IfR,-5kΩ and R2-10k(2, find the value of gain. Why is this amplifier called an inverting amplifier? R, R2 Vo
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